Add OVERRIDE to chrome/browser/extensions/.

chrome/browser/extensions/execute_code_in_tab_function.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_EXECUTE_CODE_IN_TAB_FUNCTION_H__
 #define CHROME_BROWSER_EXTENSIONS_EXECUTE_CODE_IN_TAB_FUNCTION_H__
 #pragma once
 
 #include <string>
 
 #include "chrome/browser/extensions/extension_function.h"
 #include "chrome/common/extensions/extension_resource.h"
 #include "content/browser/tab_contents/tab_contents_observer.h"
 
 // Implement API call tabs.executeScript and tabs.insertCSS.
 class ExecuteCodeInTabFunction : public AsyncExtensionFunction,
                                  public TabContentsObserver {
  public:
   ExecuteCodeInTabFunction();
   virtual ~ExecuteCodeInTabFunction();
 
  private:
-  virtual bool RunImpl();
+  virtual bool RunImpl() OVERRIDE;
 
   // TabContentsObserver overrides.
-  virtual bool OnMessageReceived(const IPC::Message& message);
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
   // Message handler.
   void OnExecuteCodeFinished(int request_id, bool success,
                              const std::string& error);
 
   // Called when contents from the file whose path is specified in JSON
   // arguments has been loaded.
   void DidLoadFile(bool success, const std::string& data);
 
   // Runs on FILE thread. Loads message bundles for the extension and
@@ skipping 25 matching lines @@
 
 class TabsExecuteScriptFunction : public ExecuteCodeInTabFunction {
   DECLARE_EXTENSION_FUNCTION_NAME("tabs.executeScript")
 };
 
 class TabsInsertCSSFunction : public ExecuteCodeInTabFunction {
   DECLARE_EXTENSION_FUNCTION_NAME("tabs.insertCSS")
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXECUTE_CODE_IN_TAB_FUNCTION_H__